64372880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:385

約数の個数: 160

約数和(自身を含む): 186738048

約数和(自身を除く): 122365168

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 80, 85, 88, 104, 110, 130, 136, 143, 170, 176, 187, 208, 220, 221, 260, 272, 286, 331, 340, 374, 440, 442, 520, 572, 662, 680, 715, 748, 880, 884, 935, 1040, 1105, 1144, 1324, 1360, 1430, 1496, 1655, 1768, 1870, 2210, 2288, 2431, 2648, 2860, 2992, 3310, 3536, 3641, 3740, 4303, 4420, 4862, 5296, 5627, 5720, 6620, 7282, 7480, 8606, 8840, 9724, 11254, 11440, 12155, 13240, 14564, 14960, 17212, 17680, 18205, 19448, 21515, 22508, 24310, 26480, 28135, 29128, 34424, 36410, 38896, 43030, 45016, 47333, 48620, 56270, 58256, 61897, 68848, 72820, 73151, 86060, 90032, 94666, 97240, 112540, 123794, 145640, 146302, 172120, 189332, 194480, 225080, 236665, 247588, 291280, 292604, 309485, 344240, 365755, 378664, 450160, 473330, 495176, 585208, 618970, 731510, 757328, 804661, 946660, 990352, 1170416, 1237940, 1463020, 1609322, 1893320, 2475880, 2926040, 3218644, 3786640, 4023305, 4951760, 5852080, 6437288, 8046610, 12874576, 16093220, 32186440, 64372880]

約数ペア:

[(1, 64372880), (2, 32186440), (4, 16093220), (5, 12874576), (8, 8046610), (10, 6437288), (11, 5852080), (13, 4951760), (16, 4023305), (17, 3786640), (20, 3218644), (22, 2926040), (26, 2475880), (34, 1893320), (40, 1609322), (44, 1463020), (52, 1237940), (55, 1170416), (65, 990352), (68, 946660), (80, 804661), (85, 757328), (88, 731510), (104, 618970), (110, 585208), (130, 495176), (136, 473330), (143, 450160), (170, 378664), (176, 365755), (187, 344240), (208, 309485), (220, 292604), (221, 291280), (260, 247588), (272, 236665), (286, 225080), (331, 194480), (340, 189332), (374, 172120), (440, 146302), (442, 145640), (520, 123794), (572, 112540), (662, 97240), (680, 94666), (715, 90032), (748, 86060), (880, 73151), (884, 72820), (935, 68848), (1040, 61897), (1105, 58256), (1144, 56270), (1324, 48620), (1360, 47333), (1430, 45016), (1496, 43030), (1655, 38896), (1768, 36410), (1870, 34424), (2210, 29128), (2288, 28135), (2431, 26480), (2648, 24310), (2860, 22508), (2992, 21515), (3310, 19448), (3536, 18205), (3641, 17680), (3740, 17212), (4303, 14960), (4420, 14564), (4862, 13240), (5296, 12155), (5627, 11440), (5720, 11254), (6620, 9724), (7282, 8840), (7480, 8606)]